/*
 * Copyright (c) 2014-2022 Monix Contributors.
 * See the project homepage at: https://monix.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package monix.reactive.compression

final case class CompressionParameters(
  level: CompressionLevel,
  strategy: CompressionStrategy,
  flushMode: FlushMode
)

object CompressionParameters {
  val Default = CompressionParameters(
    CompressionLevel.DefaultCompression,
    CompressionStrategy.DefaultStrategy,
    FlushMode.NoFlush
  )
}

sealed abstract class CompressionLevel(val value: Int)

object CompressionLevel {
  case object DefaultCompression extends CompressionLevel(-1)
  case object NoCompression extends CompressionLevel(0)
  case object BestSpeed extends CompressionLevel(1)
  case object CompressionLevel2 extends CompressionLevel(2)
  case object CompressionLevel3 extends CompressionLevel(3)
  case object CompressionLevel4 extends CompressionLevel(4)
  case object CompressionLevel5 extends CompressionLevel(5)
  case object CompressionLevel6 extends CompressionLevel(6)
  case object CompressionLevel7 extends CompressionLevel(7)
  case object CompressionLevel8 extends CompressionLevel(8)
  case object BestCompression extends CompressionLevel(9)
}

sealed abstract class CompressionStrategy(val jValue: Int)

object CompressionStrategy {
  case object DefaultStrategy extends CompressionStrategy(0)
  case object Filtered extends CompressionStrategy(1)
  case object HuffmanOnly extends CompressionStrategy(2)
}

sealed abstract class FlushMode(val jValue: Int)

object FlushMode {
  case object NoFlush extends FlushMode(0)
  case object SyncFlush extends FlushMode(2)
  case object FullFlush extends FlushMode(3)
}
